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Chemical Properties of Darmstadtium and Promethium

Darmstadtium
Promethium
Chemical Properties of Promethium and Darmstadtium


Chemical Properties
Chemical Formula
Ds   
Pm   
Isotopes
  
  
Known Isotopes
9   
29
27   
12
Electronegativity
  
  
Allred Rochow Electronegativity
Not Available   
1.07   
32
Electropositivity
  
  
Ionization Energies
  
  
1st Energy Level
955.20 kJ/mol   
5
540.00 kJ/mol   
99+
2nd Energy Level
1,891.10 kJ/mol   
16
1,050.00 kJ/mol   
99+
3rd Energy Level
3,029.60 kJ/mol   
25
2,150.00 kJ/mol   
99+
4th Energy Level
3,955.90 kJ/mol   
40
3,970.00 kJ/mol   
38
5th Energy Level
5,113.70 kJ/mol   
33
Not Available   
Electrochemical Equivalent
Not Available   
1.80 g/amp-hr   
36
Electron Work Function
Not Available   
Not Available   
Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity   
Ionization, Radioactive Isotopes, Solubility   
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